Solving Equations
Literal Equations
Graphing
Word Problems
Slope-Intercept Form
100
Solve
2(-4-6n)=-92
7
100
Solve for w
A=lw
A/l=w
100
What is the y-intercept?
(0,5)
100
A delivery service charges a base fee of $5 plus $2.50 per each package delivered. Identify the y-intercept and the slope.
Slope 2.5
y-intercept 5
100
Write the equation in slope intercept form.
Slope: 3/2
y-intercept: -1
y=3/2x-1
200
Solve
8(-k+6)=96
-6
200
Solve for x
z=x-m
z+m=x
200
What is the x-intercept?
(2,0)
200
A youth club is organizing a camping trip. The initial number of boys signed up is 40, and each week, 2 more boys join the trip. Write an equation to represent how long it will take for there to be 100 boys signed up.
100 = 40 + 2x
200
Write the equation in slope-intercept form.
Slope: -1/2
y-intercept: 3
y=-1/2x+3
300
Solve
148=3(1-6n)+1
-8
300
Solve for a
a-m=n-p
a=m+n-p
300
What is the slope of the line?
m=2
300
A taxi service charges a fixed fee of $8 plus $1.75 per each mile traveled. Create an equation to represent the total taxi ride cost of $25.
25 = 8 + 1.75x
300
Write this equation in slope-intercept form.
-y-12=3x
y=-3x-12
400
Solve
2x+3=2x+7
No solution
400
Solve for a
ac=d-r
a=(d-r)/c
400
What is the equation (in slope-intercept form) of this line?
y=7/4x-5
400
An electrician charges $25 for a service call plus $50 per hour of service. If the electrician earned $225, how many hours did the repair last?
4 hours
400
Write the equation in slope-intercept form.
0=-x-y
y=-x
500
Solve
2(x+3)=2x+6
Infinite Solutions
500
Solve for a
g=-b+c/a
a=c/(g+b)
500
What is the equation (in slope-intercept form) of this line?
y=-x+3
500
An attorney charges a fixed fee of $250 for an initial meeting and $150 per hour for all hours worked after that. Find the total cost for a meeting and 6 hours of work.
$1150
500
Write the equation in slope-intercept form.
-16+3y-5x=0
y=5/3x+16/3